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Shenzhe Xu Sheng Xin Technology Co., Ltd.
Tel：0755-83277387
Fax：0755-88251820
E-Mail：[email protected]
Add：Shenzhen futian district riverside press and entrance border southeast of huang square B, 905
Tel：0755-83277387
Fax：0755-88251820
E-Mail：[email protected]
Add：Shenzhen futian district riverside press and entrance border southeast of huang square B, 905
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Fingerprint series
Fingerprint series access
Here is a brief description of products, usually present products or features of some basic parameters, such as: < br / > models: < br / > size: XXX XXX < br / > weight: < br / > packing: XXX XXX < br / > and so on. In the formal use of the site, you can be modified in the light of the actual products in the background, add or delete.
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Here is the product in detail, the following content is to reflect the testability of the page effect to add text, formal when using, please delete
< strong > here is the product of the detailed introduction, is to reflect the content of the page under the effect of adding the testability of text content, formal when using, please delete. < / strong > < br / > POS system basic principle is to create the commodity information in the computer file first, cash register online through computer architecture, goods on the bar code can be directly through the cashier equipment on optical read after reading (or directly from the keyboard input code) can display the commodity information immediately (monovalent, departments, discount...). Accelerate the speed of cashier and correctness. Every commodity sales all details (price, departments, period of time, guest layer) recorded automatically, by on-line architecture again back to the computer. Processed by the computer to generate a variety of sales, statistical analysis for the operation and management information. < br / > POS machine is through the card reader read the magnetic stripe information of bank card cardholders, by POS transaction operator input, the cardholder enter personal identification information (password), POS these information through unionpay center, giving the issuing bank system, complete the online trading, given the success of information, and print the corresponding notes. POS application implementation of the credit card and debit card online consumption, guarantee the safety of transaction, quick and accurate, and avoid the manual query blacklist and pressure single and complex labor, improve work efficiency. < br / > A magnetic stripe card module design requirements meet the needs of three track magnetic card, namely the module need to be able to read, 1/2, 2/3 1/2/3 track magnetic card. < br / > Internal analysis < br / > Usually by RS232 interface, communication interface circuit PINPAD interface, and IRDA interface RS485 interface circuit composition and so on. RS232 interface is usually POS program download mouth, usually PINPAD interface for the host and the password keyboard interface, IRDA interface is usually fixed phone and infrared communication interface. Interface signal is usually consists of a signal, a received signal and power signal. < br / > MODEM board by the central processing module, memory module, interface of the MODEM module, the telephone line. First of all, POS will first test/RING and/PHONE signal, to determine whether the voltage on the line can be used, can switch back to dial tone, POS dialing, send the lights flashing, start dialing, be determined by the communication protocol between the switches and POS signal confirmation, shaking hands, after began to POS data exchange, signal to send and receive signals through MODEM circuit; After hanging up, end the process.
